.ics calendar support

[ritchierich]

@nicholas.carl.willia, I have finally released a more polished version of my code here:

[RELEASE] Google Calendar, Task, and Gmail Search and Gmail Notification Device

Google Calendar, Task, and Gmail Search integrates Hubitat Elevation with your Google Calendar, Tasks, Reminders, and Gmail to automate triggers based on items found matching your search criteria: Optionally toggle a child virtual switch Send Push, SMS, and TTS Notifications Run Rule Machine rule actions Gmail email notification devices can also be created with this application which will allow you to send email notifications directly from your Hubitat Elevation hub using the Google APIs with…